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PatchSiren cyber security CVE debrief

CVE-2026-49781 Brainstorm Force CVE debrief

CVE-2026-49781 is a critical vulnerability in the OttoKit plugin, specifically affecting versions up to and including 1.1.27. This vulnerability allows for unauthenticated PHP object injection, which can lead to severe consequences, including code execution, data breaches, and system compromise. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 9.8, indicating a critical severity level. The vulnerability was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-49781) and last modified on [cveModifiedAt](https://nvd.nist.gov/vuln/detail/CVE-2026-49781).

Vendor
Brainstorm Force
Product
OttoKit
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Administrators and users of WordPress installations with the OttoKit plugin version 1.1.27 or earlier should be aware of this vulnerability and take immediate action to mitigate the risk.

Technical summary

The vulnerability is caused by a lack of proper input validation and sanitization in the OttoKit plugin, allowing an attacker to inject malicious PHP objects. This can be exploited without authentication, making it a critical concern for WordPress site administrators.

Defensive priority

High

Recommended defensive actions

  • Update the OttoKit plugin to a version that is not vulnerable (if available).
  • Limit access to the WordPress installation to trusted users only.
  • Monitor the WordPress installation for suspicious activity.

Evidence notes

The vulnerability was reported by Patchstack (see [ref-4](https://patchstack.com/database/wordpress/plugin/suretriggers/vulnerability/wordpress-ottokit-plugin-1-1-27-php-object-injection-vulnerability?_s_id=cve)).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-49781 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-49781

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-49781 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-49781

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.